.phone {
    border: 40px solid #ddd;
    border-width: 55px 7px;
    border-radius: 40px;
    margin: 50px auto;
    overflow: hidden;
    transition: all 0.5s ease;
}

.phone iframe {
    border: 0;
    width: 100%;
    height: 100%;
}
/*Different Perspectives*/

.phone.view_1 {
    transform: rotateX(50deg) rotateY(0deg) rotateZ(-50deg);
    box-shadow: -3px 3px 0 #BBB, -6px 6px 0 #BBB, -9px 9px 0 #BBB, -12px 12px 0 #BBB, -14px 10px 20px #666;
}

.phone.view_2 {
    transform: rotateX(0deg) rotateY(-60deg) rotateZ(0deg);
    box-shadow: 5px 1px 0 #BBB, 9px 2px 0 #BBB, 12px 3px 0 #BBB, 15px 4px 0 #BBB, 0 7px 20px #999;
}

.phone.view_3 {
    transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg);
    box-shadow: 0px 3px 0 #BBB, 0px 4px 0 #BBB, 0px 5px 0 #BBB, 0px 7px 0 #BBB, 0px 10px 20px #666;
}
/*Controls*/

#controls {
    position: absolute;
    top: 65px;
    left: 20px;
    font-size: 0.9em;
    color: #333;
    width: 100%;
    text-align: center;
}

#controls div {
    margin: 10px;
}

#controls div label {
    width: 120px;
    display: block;
    float: left;
}

#views {
    position: absolute;
    top: 65px;
    right: 20px;
    width: 200px;
}

#views button {
    width: 198px;
    border: 1px solid #bbb;
    background-color: rgba(0,0,0,0.6);
    height: 40px;
    margin: 10px 0;
    color: white;
    transition: all 0.2s;
}

#views button:hover {
    color: white;
    background-color: rgba(0,0,0,0.8);
}
#wrapper-wall{
    display: flex;
    flex-wrap:wrap;
    justify-content:center;
}
@media (max-width:900px) {
    .wrapper {
        transform: scale(0.8, 0.8);
    }
}

@media (max-width:700px) {
    .wrapper {
        transform: scale(0.6, 0.6);
    }
}

@media (max-width:500px) {
    .wrapper {
        transform: scale(0.4, 0.4);
    }
}
.wrapper{
    display: inline-block;
    padding: 10px;
}

.phone .ctrl{
    opacity: 0.2;
    position: absolute;
    bottom: 0px;
    right: 0px;
    text-align: center;
    transition:all 1s;
}
.wrapper .ctrl:hover{
    opacity:1;
}
.wrapper .title{
    padding: 0;
    margin: 0;
    position: absolute;
    background-color: transparent;
    top:80px;
    z-index: 999;
    left: 30px;
}